﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WindowsFormsApplication1
{
    abstract class Creator
    {
        public abstract Airs FactoryMethod();
        public abstract Airs FactoryMethod(string _Name);
        public abstract Airs FactoryMethod(string _Name, decimal _ID);
        public abstract Airs FactoryMethod(string _Name, decimal _ID, decimal __Total_passenger_capacity);
    }
}
